import json
import os
import panel
from typing import Any

from watt42_viewlib import attach_w42_state

panel.extension('echarts', 'ace', 'jsoneditor')

SYSTEM_ID = os.environ.get("WATT42_SYSTEM_ID", "invalid-system-id")
API_TOKEN = os.environ.get("WATT42_API_TOKEN", "invalid-api-token")

w42_state = panel.rx(None)

attach_w42_state(rx_var=w42_state, system_id=SYSTEM_ID, token=API_TOKEN)

def state_to_text(state: dict[str, Any]) -> str:
    return f"W42 State:\n\n```\n{json.dumps(state, indent=2)}\n```\n\nReplace this with some awesome visuals"

state_as_text = panel.bind(state_to_text, w42_state)

state_pane = panel.pane.Markdown(state_as_text, sizing_mode='stretch_width')

sidebar_content = """
This example shows how to build a front end for a Watt42 system: Watt42 API
manages the state of the system, this app visualizes it.

Find instructions on [how to use this example
here](https://source.c3.uber5.com/watt42-public/watt42_viewlib/src/branch/main/README.md#how-to-use).

"""

_ = panel.template.FastListTemplate(
    title="Sample W42 App",
    sidebar=[panel.pane.Markdown(sidebar_content, sizing_mode='stretch_width')],
    main=[
        state_pane,
        w42_state,
    ],
).servable()